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Measurement E151M3628

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).

No publications available for this experiment

Quantity measured: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0707 GeV2
W : 1835 GeV
ε : 0.8353
Ebeam : 2.999 GeV
εL: 0.0318 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees
ALU Stat. error Syst. error
0.75 102 0.6245 0.2639 0.0325
0.75 114 -0.1169 0.2556 0.0301
0.75 186 -0.0151 0.2911 0.03
0.75 198 0.1527 0.2645 0.0302
0.75 210 -0.0026 0.2651 0.03
0.85 102 0.6319 0.1918 0.0326
0.85 114 -0.0701 0.2221 0.03
0.85 126 0.3768 0.2128 0.0309
0.85 174 -0.0181 0.2705 0.03
0.85 186 -0.416 0.2316 0.0311
0.85 198 -0.2993 0.2244 0.0306
0.85 210 0.5343 0.2336 0.0318